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//========================================================================
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//
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// stdin.cxx
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//
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// Initialization of stdin stream for ISO C library
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//
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//========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jlarmour
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// Contributors:
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// Date: 2000-04-20
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// Purpose: Initialization of stdin stream for ISO C library
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// Description: We put all this in a separate file in the hope that if
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// no-one uses stdin, then it is not included in the image
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// Usage:
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//
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//####DESCRIPTIONEND####
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//
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//========================================================================
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// CONFIGURATION
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#include <pkgconf/libc_stdio.h> // Configuration header
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// Don't let us get the stream definitions of stdin/out/err from stdio.h
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// since we are going to break the type safety :-(
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#define CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS
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// And we don't need the stdio inlines, which will otherwise complain if
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// stdin/out/err are not available
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#ifdef CYGIMP_LIBC_STDIO_INLINES
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# undef CYGIMP_LIBC_STDIO_INLINES
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#endif
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// INCLUDES
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#include <cyg/infra/cyg_type.h> // Common type definitions and support
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#include <cyg/libc/stdio/stream.hxx> // Cyg_StdioStream class
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#include <cyg/libc/stdio/stdiofiles.hxx> // C library files
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#include <cyg/libc/stdio/stdiosupp.hxx> // Cyg_libc_stdio_find_filename()
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// CONSTANTS
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// Use default libc priority to allow it to be the fd 0 if necessary
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#define PRIO (CYG_INIT_LIBC)
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// STATICS
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Cyg_StdioStream
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cyg_libc_stdio_stdin CYGBLD_ATTRIB_INIT_PRI(PRIO) = Cyg_StdioStream(
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Cyg_libc_stdio_find_filename(CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE,
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Cyg_StdioStream::CYG_STREAM_READ, false, false),
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Cyg_StdioStream::CYG_STREAM_READ, false, false, _IOLBF );
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// CLASSES
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// This is a dummy class just so we can execute arbitrary code when
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// stdin is requested
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class cyg_libc_dummy_stdin_init_class {
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public:
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cyg_libc_dummy_stdin_init_class(void) {
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Cyg_libc_stdio_files::set_file_stream(0, &cyg_libc_stdio_stdin);
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}
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};
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// And here's an instance of the class just to make the code run
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static cyg_libc_dummy_stdin_init_class cyg_libc_dummy_stdin_init
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CYGBLD_ATTRIB_INIT_PRI(PRIO);
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// and finally stdin itself
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__externC Cyg_StdioStream * const stdin;
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Cyg_StdioStream * const stdin=&cyg_libc_stdio_stdin;
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// EOF stdin.cxx
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